I have a question. Please explain my Question.
Title- Solving an Absolute Value Inequality
Answer 1 (-infinity,-1] U [1/3,infinity) ( ] U [ ) (square brackets)
Answer 2 (-infinity,-1)U(5,infinity) ( ) U ( ) (doesn't to have square brackets)
Answer 1 put ] square brackets but Answer 2 does not have ] square brackets What is between Answer 1 and answer 2?

I have a question Please explain my Question Title Solving an Absolute Value Inequality Answer 1 infinity1 U 13infinity U square brackets Answer 2 infinity1U5in class=